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Old 06-13-2015, 12:13 PM   #1
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Inverter Problem on MH

Have an Itasca Sunova 33C and have the following code is showing up on my Xantrex Pro XM1000 - EO3 OL. I know its an overload but everything else in the trailer is running normal. Don't know why it is showing the overload but I don't know how to clear it.

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Old 06-13-2015, 12:41 PM   #2
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Often to reset or clear codes you must disconnect from power for a period of time. Take off the negative terminal on the batteries and see if it clears up.


Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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Old 06-14-2015, 08:02 AM   #3
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Do you mean E05 OL? E03 is an over-voltage condition (input voltage exceeds 15.5v). E05 is overload. There should be an alarm beeping along woith an E05 OL code too. But maybe that's just on the XM1800 model, which has more features as well as higher wattage.

XM1000 owner manual

Are you connected to shore power, i.e. the converter/charger is producing DC voltage instead of battery power alone?
Gary Brinck
Former owner of 2004 American Tradition
Home is in the Ocala Nat'l Forest near Ocala, FL
Summers in Black Mountain, NC
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Old 06-14-2015, 12:41 PM   #4
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Be sure to check your battery water and connections...test the voltage in each battery to be sure they are equal...no need to take the cables off to do this test...if there is a difference that might indicate a bad battery and could cause the inverter to act up.
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Old 06-17-2015, 08:22 AM   #5
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RE: Inverter Problem gone

Thanks for the help Bob. I shut off the inverter and turned off my house battery breaker and it reset the code back to normal. Thanks again for the advive.
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